Holographic storage of three-dimensional image and data using photopolymer and polymer dispersed liquid crystal films

被引：7
作者：
Gao, Hong-Yue [1 ]
Liu, Pan [1 ]
Zeng, Chao [1 ]
Yao, Qiu-Xiang [1 ]
Zheng, Zhiqiang [1 ]
Liu, Jicheng [1 ]
Zheng, Huadong [1 ]
Yu, Ying-Jie [1 ]
Zeng, Zhen-Xiang [1 ]
Sun, Tao [1 ]
机构：
[1] Shanghai Univ, Sch Mech Engn & Automat, Dept Precis Mech Engn, Ultraprecis Optoeletron Metrol & Informat Display, Shanghai 200072, Peoples R China
来源：
CHINESE PHYSICS B | 2016年 / 25卷 / 09期
基金：
上海市自然科学基金; 中国国家自然科学基金;
关键词：
holographic displays; holographic information storage; photopolymer; collinear holography;
D O I：
10.1088/1674-1056/25/9/094205
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present holographic storage of three-dimensional (3D) images and data in a photopolymer film without any applied electric field. Its absorption and diffraction efficiency are measured, and reflective analog hologram of real object and image of digital information are recorded in the films. The photopolymer is compared with polymer dispersed liquid crystals as holographic materials. Besides holographic diffraction efficiency of the former is little lower than that of the latter, this work demonstrates that the photopolymer is more suitable for analog hologram and big data permanent storage because of its high definition and no need of high voltage electric field. Therefore, our study proposes a potential holographic storage material to apply in large size static 3D holographic displays, including analog hologram displays, digital hologram prints, and holographic disks.
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页数：5
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